c开发程序，汽车防盗系统，设计出通过串口收发短消息和控制硬件开关量的程序；- With the economic developmet, the vehicle theft-against technology has

upgraded from the original mechanical mode to the latest GSM/GPS-based

network mode after several generations. But in China, considering the price and technology, the common electronic vehicle alarm equipments are still the dominant ones.